Data for: Facile modification of montmorillonite by intercalation and grafting: study of the binding mechanisms of a quaternary alkylammonium surfactant

Modified clays are among the most investigated organic-inorganic hybrid materials. Traditionally, they are prepared by reaction of the clay mineral with an organic substrate that can be bonded by cation exchange or by covalent grafting. However, the possibility of bonding one organic substrate to the clay mineral via these two mechanisms simultaneously has not been deeply investigated. In this work, a facile modification of a mineral clay was investigated through the reaction between a quaternary alkylammonium surfactant possessing an alkoxysilane group [3-Trimethoxysilylpropyl Octadecyl Dimethyl Ammonium Chloride] (TPODAC) with a raw bentonite containing montmorillonite (Mt) as main phase (~ 90%) and a bentonite activated with 5N HCl (H5-Mt).改性黏土是研究最为广泛的有机-无机杂化材料之一。传统制备多通过黏土矿物与可通过阳离子交换（cation exchange）或共价接枝（covalent grafting）结合的有机底物发生反应实现。然而，通过上述两种机制同时将单一有机底物结合至黏土矿物的可能性，尚未得到深入研究。本研究通过带有烷氧基硅烷基团（alkoxysilane group）的季烷基铵表面活性剂（quaternary alkylammonium surfactant）——[3-三甲氧基硅基丙基十八烷基二甲基氯化铵]（3-Trimethoxysilylpropyl Octadecyl Dimethyl Ammonium Chloride，TPODAC）——分别与两类黏土反应，对矿物黏土的简便改性开展相关研究：一类是以蒙脱石（montmorillonite, Mt）为主要物相（占比约90%）的原膨润土，另一类是经5N盐酸（5N HCl）活化的膨润土（H5-Mt）。